| Acronym | Meaning |
| NOAASIS | NOAA Satellite Information System |
| MODIS-N | MODerate-resolution Imaging Spectroradiometer-Nadir (EOS) |
| ITOS | Improved Television And Infrared Observation Satellite (1970s) |
| EM | ElectroMagnetic |
| MLS | Microwave Limb Sounder (EOS) |
| IMG | Interferometric Monitor For Greenhouse Gases |
| TIROS | Television InfraRed Observation Satellite (POES) |
| KSC | Kennedy Space Center |
| AIRS | Atmospheric InfraRed Sounder (EOS) |
| MSS | Multi-Spectral Scanner |